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wlad13 [49]
4 years ago
7

Help again please ..

Mathematics
1 answer:
Aliun [14]4 years ago
4 0
The zeros or roots here are 0 and 7 so the answer is D.  Explanation is same as last one so I didn't type it all out, but go about solving it and all of these the same way.  

Thanks! Hope this helps!
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The cylinders are similar the volume of the larger cylinder is 9648 cubic inches what is the volume of the smaller cylinder
olga nikolaevna [1]
To find the volume of the smaller cylinder you will need to determine the scale factor by comparing the 2 cylinders. The scale factor is 1:2. This means that each dimension will be divided by 2 when going from the larger to the smaller figure.

Because volume is a three dimensional measurement, you need to divide 9648 by 2, three times.

9648/2=4824
4824/2=2412
2412/2=1206 cubic inches

The volume of the smaller container is 1206 cubic inches.
3 0
3 years ago
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For what value of x is the rational expression below undefined?
Blizzard [7]

Answer: The expression is undefined for x=4 and x=5.

The expression is undefined for any x that makes the denominator 0. This leads to solving a quadratic equation:

\frac{x+3}{x^2-9x+20}\\x^2-9x+20\neq 0\\x_{1,2}\neq\frac{9\pm\sqrt{9^2-80}}{2}=\frac{9\pm1}{2}\\x_1\neq4\\x_2\neq5

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4 years ago
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AC = 16, AB = x + 1, and BC = x + 7. What is the measure of the length of AB? HELP
saveliy_v [14]

Answer:

5

Step-by-step explanation:

AC=AB+BC

so 16=x+1+x+7

which simplifies to 16=2x+8

subtract eight from both sides to get 8=2x

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6 0
3 years ago
Please help I will mark brainliest
den301095 [7]

Answer:

Choice 1) no

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The better deal is the 21-ounce one because its unit rate equals less than the 17-ounce one

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